Gra Snake (wąż)

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Bardzo prosta gra w węża zrealizowana w Pythonie z wykorzystaniem modułu tkinter. Poniżej zamieszczam kod programu:

Listing 1

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# program created by owner of page obliczeniowo.jcom.pl
# Licence GPL-3.0 www.gnu.org/licenses/gpl-3.0.en.html
# This is a simple snake game program
import tkinter as tk
import random as rn
def main():
dt = 200 # snake speed
window = tk.Tk() # create window
window.title("Snake") # window title
c_draw = tk.Canvas(window, width = 600, height = 400) # create canvas
c_draw.pack() # pack canvas
class Snake: # snake class
def __init__(self, width, height):
self.width = int(width) # area width
self.height = int(height) # area height
self.msnake = [[self.width / 2, self.height / 2], [self.width / 2 + 1, self.height / 2], [self.width / 2 + 2, self.height / 2]] # snake elements
self.move = 0 # index of vector described direction of snake move
self.tmove = [[0,1],[1,0],[0,-1],[-1,0]] # vectors of direacion of snake move
self.size = 10
self.col = False # określa, czy doszło do kolizji
self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)]
def drawBox(self,x, y, color = 'green'):
c_draw.create_rectangle([x, y, x + self.size, y + self.size], fill=color)
def draw(self):
c_draw.delete("all")
if self.col:
c_draw.create_text([self.width / 2 * self.size, self.height / 2 * self.size], text = "Przegrałeś")
else:
for i in range(self.width):
self.drawBox(i * self.size, 0)
self.drawBox(i * self.size, (self.height - 1) * self.size)
for i in range(1, self.height):
self.drawBox(0, i * self.size)
self.drawBox((self.width - 1) * self.size, i * self.size)
for i in self.msnake:
self.drawBox(i[0] * self.size, i[1] * self.size)
self.drawBox(self.food[0] * self.size, self.food[1] * self.size, color = 'red')
def eat(self): # snake must eat
if self.msnake[0][0] == self.food[0] and self.msnake[0][1] == self.food[1]: # if head of snake is on food, then snake eat
self.msnake.append([0,0]) # add snake element
self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)] # random new food for snake
def move_snake(self):
for i in range(len(self.msnake) - 1,0,-1):
self.msnake[i][0] = self.msnake[i-1][0]
self.msnake[i][1] = self.msnake[i-1][1]
self.msnake[0][0] += self.tmove[self.move][0]
self.msnake[0][1] += self.tmove[self.move][1]
self.colision()
self.eat()
self.draw()
def turnLeft(self):
self.move = (self.move + 1) % len(self.tmove)
def turnRight(self):
self.move = (self.move - 1) if self.move > 0 else len(self.tmove) - 1
def colision(self):
if self.msnake[0][0] == 0 or self.msnake[0][1] == 0 or self.msnake[0][0] == self.width - 1 or self.msnake[0][1] == self.height - 1:
self.col = True
for i in self.msnake[1:]: # colision snake - snake
if self.msnake[0][0] == i[0] and self.msnake[0][1] == i[1]:
self.col = True
def reset(self):
self.col = False
self.msnake = [[self.width / 2, self.height / 2], [self.width / 2 + 1, self.height / 2], [self.width / 2 + 2, self.height / 2]] # snake elements
self.move = 0 # index of vector described direction of snake move
self.tmove = [[0,1],[1,0],[0,-1],[-1,0]] # vectors of direacion of snake move
self.size = 10
self.col = False # określa, czy doszło do kolizji
self.food = [rn.randint(1, self.width - 2), rn.randint(1, self.height - 2)]
window.after(dt, move)
sn = Snake(600 / 10, 400 / 10)
menubar = tk.Menu(window)
menu = tk.Menu(menubar, tearoff=0)
menubar.add_cascade(label="Program", menu=menu)
menu.add_command(label="Od nowa", command = sn.reset)
menu.add_command(label="Wyjście", command = window.quit)
window.config(menu=menubar)
sn.draw()
def move():
sn.move_snake()
if not sn.col:
window.after(dt, move)
def turnLeft(event):
sn.turnLeft()
def turnRight(event):
sn.turnRight()
window.after(dt, move)
window.bind_all("<KeyPress-Left>", turnLeft)
window.bind_all("<KeyPress-Right>", turnRight)
window.mainloop()
return 0
if __name__ == '__main__':
main()